Sumit Impex is a leading Manufacturer and Supplier of ASTM A193 Grade B7 / Grade B7M Bolts. Our dedication to quality and customer satisfaction motivates us to provide a wide selection of bolts with meticulous attention to detail to meet strict international standards and specifications. With our extensive experience and expertise, we guarantee that our bolts meet and surpass our worldwide customer’s expectations. You can rely on us to deliver dependable solutions customized to your precise requirements, Setting a standard for excellence in the industry.

Sumit Impex is a Supplier of ASTM A193 Grade B7 / Grade B7M Bolts, Biggest Stockist of Grade B7 / B7M Bolts as per Standards in Mumbai, India.

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ASTM A193 Grade B7 bolts are high-strength, heat-treated alloy steel bolts widely used in various industrial applications. Known for their exceptional tensile strength and resistance to corrosion and high temperatures, ASTM A193 Grade B7M bolts are specifically designed for pressure vessels, valves, flanges, and fittings in the oil, gas, and petrochemical industries. They are manufactured to meet specific mechanical properties and chemical compositions outlined by ASTM International standards.

At Sumit Impex, we prioritize securely packaging ASTM A193 Grade B7 / Grade B7M Bolts using wooden boxes, pallets, and crates to ensure safe transportation and maintain buyer trust. Our dedication to quality is evident in the extensive testing processes, including PMI (Positive Material Identification), pitting resistance, chemical analysis and hardness which certify the reliability of our products. Following successful testing, we provide detailed documentation and certificates, such as radiography reports and third-party certifications, to further build trust in our buyers.

ASTM A193 Grade B7 / B7M Bolts

Standard Specification For ASTM A193 Grade B7 Bolts

A193 Grade B7 / 7M Bolts Dimensions
ASME B18.2.1, B18.3
Melt Origin
South America/East Europe/JapanKorea/
A193 Grade B7  / 7MBoltsProduct Origin
Made in India
Threads Configuration
ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads
A193 Grade B7 / 7M Bolts Certification
Dual Certified As per ASTM & ASME Codes
Additional Certifications
PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
A193 Grade B7 / 7MBolts Mandatory Requirements
Free from Mercury & Radioactive Contamination
Additional Requirements
NACE MR0103 / MR0175 / ISO 15156 Compliance

ASTM A193 Grade B7 Bolts Types

Steel Bolt

Steel Bolt

Flange Bolt

Flange Bolt

Hex Head Bolt

Hex Head Bolt

Eye Bolt

Eye Bolt

Grade B7 Bolts Chemical Composition

B7 (AISI 4140)
0.38 – 0.48%
0.75 – 1.00%
Phosphorus, max
Sulfur, max
0.15 – 0.35%
0.80 – 1.10%
0.15 – 0.25%

ASTM A193 Grade B7M Bolts Mechanical Properties

Tensile ksi, min
Yield, ksi, min
Elong, %, min
RA % min
Up to 2-1/2
321 max
35 max
2-5/8 – 4
4-1/8 – 7

Contact Us For Quatation & Questions Related To Grade B7/B7M Bolts

SA193 Grade B7 Bolts Applications

Export & Supply Destinations Of Grade B7M Bolts

British, Myanmar, Macau, Kuwait, Afghanistan, North Korea, Israel, Russia, Taiwan, China, Mongolia, Iraq, Egypt, Malaysia, Nepal, India, United Arab Emirates, Iran, Thailand, Hong Kong, South Korea, Jordan, Singapore, Vietnam, Philippines, Bangladesh, Saudi Arabia, Kyrgyzstan, Indonesia, Qatar, Bahrain, Maldives, Armenia, Oman, Turkey, Japan, Bhutan, Azerbaijan, Sri Lanka, Lebanon.

France, Ukraine, Hungary, Spain, Finland, Russia, Estonia, Turkey, Portugal, Italy, Bulgaria, Slovakia, Monaco, Croatia, Sweden, Netherlands, Luxembourg, United Kingdom, Austria, Germany, Malta, Norway, Denmark, Belgium, Poland, Greece, Switzerland, Lithuania, Ireland, Azerbaijan, Serbia, Belarus, Liechtenstein, Moldova, Cyprus, Romania, Czechia/Czech Republic, Latvia.

Mozambique, Mauritania, Kenya, Nigeria, Zambia, Tanzania, Rwanda, Egypt, Seychelles, Cameroon, Botswana, Namibia, Gambia, Eswatini, Zimbabwe, Burundi, Uganda, Liberia, Burkina Faso, Tunisia, Mauritius, Ethiopia, Libya, Angola, Morocco, Algeria, South Africa, Central African Republic, Niger, Senegal, Madagascar.

Canada, Honduras, Guatemala, Saint Vincent and the Grenadines, Belize, Barbados, Haiti, United States of America, El Salvador, Panama, Bahamas, Nicaragua, Antigua and Barbuda, Jamaica, Trinidad and Tobago, Cuba, Dominica, Mexico, Dominican Republic, Costa Rica, Grenada, Saint Lucia.

Colombia, Uruguay, Ecuador, Guyana, Argentina, Chile, Bolivia, Paraguay, Suriname, Brazil, Peru, Venezuela.